Home / 4,178.71-6,268.02-1,256.89

Finding the Fourth Proportional to 4,178.71, 6,268.02 and 1,256.89

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Solution

The fourth proportional to 4,178.71, 6,268.02 and 1,256.89 is: 1,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.71 : 6,268.02 = 1,256.89 : x
  2. Step 2: Convert to fraction form
    4,178.71/6,268.02 = 1,256.89/x
  3. Step 3: Cross multiply
    4,178.71x = 6,268.02 × 1,256.89
  4. Step 4: Simplify right side
    4,178.71x = 7,878,211.66
  5. Step 5: Solve for x
    x = 7,878,211.66/4,178.71
  6. Step 6: Final answer
    x = 1,885.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.